<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
    <script src="../react18/babel.min.js"></script>

</head>

<body>
    <button id="btn">修改vDOM,重新渲染页面</button>
    <div id="app"></div>

    <script type="text/babel">
        let play = "真的适合出去耍出去耍出去耍"
        const vDOM = (
            <div>
                <h1>今天天气</h1>
                <p>真不错</p>
                <p>真不错</p>
                <p>真不错</p>
                <p>{play}</p>   
            </div>
        )

        const root = ReactDOM.createRoot(document.getElementById("app"))
        root.render(vDOM)
            
        //给按钮绑定点击事件,一点击就改变vDOM的内容
        const oBtn = document.getElementById("btn")
        oBtn.onclick = function(){
            play = "干嘛呢!赶紧卷起来!"
            root.render(vDOM)
        }

    </script>
</body>

</html>